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 The so-called quenching is a process in the processing of metal materials. Simply put, the metal workpiece is heated to an appropriate temperature and maintained for a period of time, and then immersed in a quenching medium for rapid cooling. After forging all kinds of ironware in folk blacksmith shops, the red ironware should be quickly immersed in water to cool it down. This is a way of quenching.
 Processing processes such as quenching and tempering, annealing, and normalizing, collectively referred to as heat treatment processes, are important means for improving material properties. Through precise control of the medium, temperature, time and other factors in the heat treatment process, the toughness, strength, hardness, wear resistance, fatigue strength, etc. of the material can meet the specified requirements. The knowledge in this can be described as unfathomable.
 As a material expert, Qin Hai has an in-depth understanding of heat treatment processes. He just took a look at the farm tools made by Fatty and the others, and he knew that they had not been quenched. No. 65 manganese steel is a steel with excellent toughness and wear resistance, but if it is not properly quenched after processing, the steel will be soft, resulting in the current phenomenon of edge curling.
 Fatty and the others are all apprentices with half a load of water, and they don't know much about processing technology. They even couldn't respond to the word "quenching" that Qin Hai said. According to the interpretation of the dictionary, the word "queen" for quenching should be pronounced as "brittle", but in the heat treatment profession, people are accustomed to pronounce it as the sound of "war", which is from the northern folk tradition of "dipping fire". This word is derived from it.
 "You're talking about... brittle fire, right?" The short man among the three young men asked tentatively.
 "Well, you can read it this way too." Qin Hai compromised, and now is not the time to popularize terminology, as long as the other party understands what he means.
 "We...couldn't find water at the time." The short man replied in an inaudible voice. As an apprentice, he has seen pigs run before eating pork. He has seen the process of quenching, but he doesn't know what it does. When making these agricultural tools, perhaps as he said, because there is no convenient cooling water nearby, this process was skipped.
 "What? You sold your ironware without even quenching it. This is not considered a fake or inferior commodity!" Several peasants were confused and shouted together. Although they don't know much about industry, they have at least seen blacksmiths forging iron, know about quenching, and know that iron tools that have not been quenched are not good for use.
 "return the goods!"
 "Money back!"
 "Let them lose money!"
 Several farmers shouted outrightly, waiting for Qin Hai to claim justice for them.
 "How, what do you guys think?" Qin Hai looked at the three young men and asked.
 The fat man's tone was a bit soft, and he muttered: "They just want to blackmail us, we use good steel...Even if it's not quenched, the steel is always good steel...Such good steel is 50 cents cheaper than a blacksmith's shop... ..."
 He talked to himself, but the meaning revealed was very clear, that is, he was unwilling to refund the money. The five farmers bought seven or eight pieces of agricultural equipment from them, worth more than ten yuan. If they returned all of them, they probably wouldn't be able to get them back.
 Qin Hai saw the fat man's embarrassment, and he turned around again, and said to the farmers, "Everyone, can I propose a plan?"
 "Speak." Several farmers said.
 Qin Haidao: "Since you have bought the farm tools of these brothers, they must be useful at home. The steel used for these farm tools is indeed good steel, but there is one less process in the processing. If you want, I will let you These brothers put these farm tools back into the furnace and added the quenching process. I guarantee that after the restoration, the quality of these farm tools will be better than those you have used in the past, what do you think?"
 "Hey, do you know what quenching is? We don't know this." The fat man pulled Qin Hai's lapel behind his back, for fear that Qin Hai's words would fool them all.
 Qin Hai glared at the fat man with a look of hatred for iron and steel, and said: "Since I dare to agree, I am sure... But, you have to help me find a blacksmith shop and some quenching medium, I will tell you later .”
 After a while, the farmers had exchanged their opinions briefly, probably because they felt that it would be fruitless to entangle with Fatty and others, and they really needed these farm tools, so they nodded and said to Qin Hai: "Look at you For the sake of this young man, as long as they can repair these farm tools and ensure that they don't curl their blades, we won't return them."
 "Who can guarantee that you won't be able to curl your blade!" The tall young man said inappropriately, "You can use a shovel as a trowel to split bricks, and you can't curl your blade?"
 "If the tempering is done well, it is true that the blade can not be curled." Qin Hai replied with a smile.
 "Okay, just for you young man, if you say that this shovel will not be able to cut bricks after quenching, I will buy all the farm tools on this stall!" In his heart, he also felt that Qin Hai's words were a little exaggerated, but at this moment, if he stood up for Qin Hai, he could force the three young people to nowhere. Of course, he liked such a thing.
 "You said it yourself? Okay, buddy, tell me, how do we quench it?" The fat man's blood was aroused by the farmer, and he suddenly had a wish, that is, he hoped that Qin Hai could really deal with these farm tools. In this way, you can use the words of the farmer to force him to buy the rest of the farm tools. This is not just a matter of how much money you can make, but it is also a matter of getting rid of the face you just lost. earn back.
 Qin Hai looked at both sides, shook his head helplessly, and then said to the three young men: "To quench the fire, you need a furnace first... You all belong to the factory, right? Should you go back to your factory or find a blacksmith's shop?" , what do you say?"
 "Let's find a blacksmith shop," said the short man. It is their private job to sell farm tools to make money, and it is best not to involve this kind of thing in the factory.
 "Not far from there is Zhang Laosan's blacksmith shop. I know him well, so I can take you there." The leading farmer pointed in a direction and said.
 "That's good." Qin Hai nodded, and said to the young people: "There is one more thing that I need you to look for. I need to prepare some quenching solution, and I need to use several chemicals. These drugs may only be available in middle school. It can only be found in the laboratory, who is related to you?"
 "I..." The short man raised his hand and replied, "My uncle is from the county..."
 "Okay, the medicines I need are **, sub**, and **. I will write down the names and quantities for you. You can go to your uncle right away to get these medicines and send them to Mr. Zhang's blacksmith shop." Go." Qin Hai took out a pen and paper from his satchel, wrote a few names, and handed it to the short man.
 Up to now, the few young people can only obey their orders, and they also hope that Qin Hai can create a miracle for them and reverse their passivity. The short man took the note from Qin Hai, spread his short legs, and ran towards the county.
 After dismissing the short man, Qin Hai gave a greeting, and the rest of the people carried the farm tools on the stall, led by the leading farmer, to a blacksmith's shop in a row of bungalows, outside the door of the blacksmith's shop, hanging A sign with the words "Zhang Laosan" really written on it.
 "Third brother, I have something to disturb you." The leading farmer shouted.
 "Banggu, what are you here to buy again?...Well, why are there so many people?" Zhang Laosan came out from the house to welcome so many people standing outside the door, and each of them was holding some farm tools. I couldn't help but froze for a moment.
 The farmer named Mangu went up and told what had happened in a few words. Zhang Laosan took the rolled-edged shovel from Mangu's hand, looked at the blade, and said, "Well, it's indeed a good piece of steel, but it's a pity...but even if it's quenched again, it can be used to split bricks." It’s also bragging.”
 "Master Zhang, are you bragging? Can you let me try it first. Such a good steel, if it is quenched well, it should be no problem to split ordinary red bricks." Qin Hai said forward.
 Zhang Laosan looked Qin Hai up and down, and said, "You are the young man who knows how to quench? Where did you learn it?"
 Qin Haidao: "I graduated from the Provincial Agricultural Machinery Technical School, and I learned a little quenching in school."
 "Haha." Zhang Laosan laughed, "I learned it in school, okay, okay, newborn calves are not afraid of tigers, I have a complete range of stoves, anvils, and water here, so you can show me, an old blacksmith, my eyes. .”
 His words were full of disdain, but his attitude was still enthusiastic. Quenching is not difficult to say, and it is not easy to say. The easy part is that it is nothing more than heating and then soaking in water. It is difficult to say it, because the heating degree has some methods, and the quenching effect is good or bad, which is reflected in the operator's judgment on the degree of heat.
 According to Zhang Laosan, Qin Hai is probably a student who doesn't know the heights of the sky and the earth. He learned a little in school and wanted to show off. He believed that Qin Hai would definitely do quenching, but the effect of quenching was probably far worse than that of an old blacksmith like him. He himself couldn't handle these farm tools to the point where he could split bricks. It was just a joke for Qin Hai to achieve this effect.
 Qin Hai knew that his age was a flaw, and if he wanted others to think highly of him, he could only show excellent grades. He thanked Zhang Laosan, and then walked into the blacksmith's shop with the dismantled shovel head.
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 Materials are the foundation of industry and the cornerstone of an industrial power. 
 Qin Hai, a material science expert from the 21st century, traveled to a small agricultural machinery factory in 1985. As a result, all regrets will cease and all glory will continue. 
 Electrical functional materials, optical functional materials, biomedical functional materials, superconducting materials, nanomaterials, chemical thin film materials, smart materials, sensitive materials, hydrogen storage materials … all kinds of magic are in “Material Empire”.
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 When I woke up, I came to a familiar and unfamiliar world. 
 Psionics, supernatural powers, alien beasts, spiritual world, in this unique world, Lin Fei just wants to live his own life leisurely. 
 Psionics and abilities 
 Humans and animals 
 Invasion and resistance 
 Successfully resist or fail to destroy?
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<div class="content">
 Rúguǒ yǒu yītiān, nǐ yù dào zhème yīgè yǎnyuán: Tā míngmíng shuāng shí niánhuá, qìzhí zhuō yǎ, què piānpiān dǎbàn de kān bǐrú huā, yǎnyì de shì lǎo mā.
 Nàme qǐng liánxì fēng xiāo, yīnwèi——nà shì tā de lǎopó yòu tōutōu pǎo chūlái yǎnxìle.
 Mǒu nán xié mèi gōu chún:“Chúle wǒ yǐwài, nǐ bùnéng gēn rènhé nánrén yǒu rènhé shēntǐ shàng de jiēchù!”
 “Wǒ yǎn de shì yīgè guǎfù!”
 “Kě nǐ yǒu gè er zi.”
 “……”
 Zǒng’éryánzhī, zhè jiùshì yīgè wàibiǎo yāoniè nèi xīnfù hēi de lǎo cháiláng, hé yī zhǐ bàn zhū chī lǎohǔ de nèn húlí, qiáng qiáng liánhé, zài nüè zhā nán zhā nǚ, zhì bà hǎoláiwù de xīngguāng dàdào shàngyuè zǒu yuè yuǎn, yuè zǒu yuè piān de gùshì…… 
 Show more 
 217/5000 
 If one day, you meet such an actor: she is obviously a two-year-old, and she has an elegant temperament, but she is dressed like a flower, acting as a mother.
 Then please contact Feng Xiao, because-it was his wife who sneaked out to act again.
 A certain male evil charm hooked his lips: “Except for me, you can’t have any physical contact with any man!”
 “I played a widow!”
 “But you have a son.”
 “…”
 All in all, this is an old jackal with an enchanting appearance and a black heart, and a tender fox who pretends to be a pig and eats a tiger, and join forces to abuse scumbag men and women and dominate Hollywood’s Walk of Fame. Partial story…
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<div class="content">
 Chen Qiu, who was expelled for being framed for corporal punishment of a student, received a call that his tens of billions in cash had arrived!
 Also today, people in Midtown know what a real local tyrant is!
 Hundreds of escort vehicles with a length of more than ten meters and a height of four or five meters entered the city in a mighty manner.
 The entire city street is blocked… Cash has become a giant mountain!
 But what they don’t know is…
 Chen Qiu, this is only 10,000 of Chen Qiu’s!
 And Chen Qiu still has 10 million… and together with the exposure, there is news that his kidney is good.
 Just… “Accept the task, ask the host to spend 100 yuan within 24 hours and get 100 points…”
 Chen Qiu’s head hurts a little, spending 100…
 This is not easy to handle, his 100 yuan is equal to 1 billion, this…
 It’s hard to spend money too!
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<div class="content">
 Chen Shen, who came from another world, received a call from an idol drama director. 
 He thought he was asked to act in an idol drama, but it turned out to be a love variety show. 
 The director only made one request, that if no one of them succeeded in holding hands at the end of the love variety show, he would give you one million. 
 So, Chen Shen became a troublemaker in the love variety show. 
 What Chen Shen didn't know was that the director met another person at the same time as he met him. 
 The director also made a request to her, that if more than one of them succeeded in holding hands at the end of the love variety show, she would also get one million. 
 This book is also known as "What? The whole network knows that I get paid to be on the love variety show!"
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<div class="content">
 In this world of Mahjong Supreme, there is no dispute that cannot be resolved by a game of Mahjong. 
 Nan Yan, who was a professional sparrow warrior in his previous life, traveled to this world and obtained a god-level role-playing system at the beginning, and the system's template was the strongest sparrow warrior in each world. 
 With his own card strength and the support of the system, Nan Yan is bound to reach the top of the world's mahjong. 
 K: My scientific mahjong, my probability statistics, completely failed in front of him! 
 Tian Guishi: Turn off the lights and turn on the switch, watch my swallow return to its nest, and use the pure Nine Lotus Lantern to deal with him! Damn it, how come he is riding alone with one color, one color, four hi, and four secret carvings, and has six times the battle limit! What a cheating kid! 
 Gong Yongzhao: My demon mirror couldn't see through his abilities, and he stopped me halfway on the ladder to heaven! Who is this person! 
 Akagi Shigeru: Hiko, it seems that only you can recreate that legendary night! 
 ———— 
 The fusion world of Card Fighting Legend + Mahjong Genius Girl, you can play cards with super powers, it doesn’t matter if you don’t know Mahjong, the author will teach you!
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 [How to evaluate the black organization where Gin is located? 】
 laxative.
 People are in the winery, the interests are relevant.
 My boss, Gin, is polite and helpful.
 My partner Shuichi Akai is loyal and reliable, and is very dedicated to his feelings.
 Ms. Belmode was gentle, beautiful, and amiable.
 There is also a cafe guy who is very optimistic and lively.
 All I can say is that people here are stupid and have a lot of money, so come quickly.
 “Just, if given the chance, I would say, I want to be a good person.”
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 Have you ever heard the story of the monster? 
 Have you ever thought that monsters have always existed, and they are lurking around you? 
 Have you ever thought that the reason why you are still safe is because the profession of “Monster Slayer” has existed for thousands of years? 
 Wang Qianchen turned into a monster when he woke up, and was ruthlessly hunted down by the monster slayers, and since then he has also entered a strange world!
 <div class="author-novels">
 <h3>Author's Other Novels</h3>
 <ul>
 <li><a class="title" title="Reckless Youth of Delinquency" target="_blank" href="/en/serie-6567/reckless-youth-of-delinquency">Reckless Youth of Delinquency</a></li>
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 For the first time, a young man with superb medical skills and superb martial arts came to the bustling city. His life has been colorful since then…
 (Pure urban stories, no fantasy plots)
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 "You're dying!" 
 "Yes, 10 million for a year's time, very cost-effective!" 
 ...... 
 Lin Feng accidentally gained a magical ability. 
 He can see the remaining time of each person's life! 
 Lin Feng can also buy other people's time and then sell it! 
 Unlock "time stop" and "time acceleration"... 
 The door to the new world opened in front of Lin Feng!
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 Pretending to be Jiang Lai’s boyfriend to meet her parents, but was given a house and a car by routine, and she wanted to do the fake show for real? 
 Never expected to encounter a gun battle, a close call, awakening the infinite inheritance system. 
 [A set of courtyard houses at the foot of the imperial city, is it inherited? 】 
 [LV5 pistol arc shooting, is it inherited? 】 
 [Bajiquan Grandmaster, do you want to inherit? 】 
 National martial arts and marksmanship, language and musical instruments, culinary and acting skills, high-rise buildings, island territories, everything can be inherited. 
 Slowly, Qin Yan discovered that he had actually traveled to a world where film, television and drama merged. 
 A Xiang, Carambola, Gao Wen, Andy, Shi Miao, each heroine appeared on the stage, starting a domineering life.
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 Duan Qingen is a male match. 
 Until one day, he didn’t want to be a male.
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 There is such a group of people in this world. They shed their blood for the country during the war. In peacetime, he also shed sweat for the country. 
 Their lives were dedicated to the northwest frontier of the motherland. And their children. 
 It is because of them that our country will be more prosperous!
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Material Empire

Chapter 3 Teach You What Quenching Is

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Material Empire

Chapter 3 Teach You What Quenching Is

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